diff --git a/.env b/.env
index 48c6e11..f4aecb9 100644
--- a/.env
+++ b/.env
@@ -7,7 +7,7 @@ CACHE_DIR=<%= $(pwd) %>/cache
 ALPINE_MIRROR=https://dl-cdn.alpinelinux.org/alpine
 ALPINE_ARCH=aarch64
 ALPINE_VER_MAJOR=3
-ALPINE_VER_MINOR=20
+ALPINE_VER_MINOR=21
 ALPINE_VER_PATCH=3
 REQUIREMENTS_FILE=required-apks.txt
 eth0=eth0
diff --git a/README.md b/README.md
index 27eb162..d3a29e1 100644
--- a/README.md
+++ b/README.md
@@ -36,3 +36,7 @@ AutoConnect=true
 ```
 
 All the files will be automatically picked up by the wifi daemon after the RaspberryPi finishes boot process
+
+### Troubleshooting
+
+Alpine 3.22.0 produces a lot of "Clock skew detected" errors during boot and fails to execute the `headless.start` script. Version 3.21.3 works fine.